22889454790109 has 2 divisors, whose sum is σ = 22889454790110. Its totient is φ = 22889454790108.

The previous prime is 22889454790099. The next prime is 22889454790183. The reversal of 22889454790109 is 90109745498822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12163318884025 + 10726135906084 = 3487595^2 + 3275078^2 .

It is a cyclic number.

It is not a de Polignac number, because 22889454790109 - 2⁸ = 22889454789853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22889454790409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11444727395054 + 11444727395055.

It is an arithmetic number, because the mean of its divisors is an integer number (11444727395055).

Almost surely, 2^{22889454790109} is an apocalyptic number.

It is an amenable number.

22889454790109 is a deficient number, since it is larger than the sum of its proper divisors (1).

22889454790109 is an equidigital number, since it uses as much as digits as its factorization.

22889454790109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 68.

The spelling of 22889454790109 in words is "twenty-two trillion, eight hundred eighty-nine billion, four hundred fifty-four million, seven hundred ninety thousand, one hundred nine".